Fig. 9.22
Chimney sweep function at maximum
output in heating mode
• Press key 16 to vary the output in chimney
sweep mode: when the LCD display dis-
plays the letters cP that alternate with the
heating water temperature value (e.g.78),
the "chimney sweep function" is at maxi-
mum (eventually range rated) output in
heating mode (Fig. 9.23).
Fig. 9.23
Chimney sweep function at maximum
output in domestic hot water mode
• Press further key 16 to vary again the
output in chimney sweep mode: when the
LCD display displays the letters dP that
alternate with the heating water tempera-
ture value (e.g.60), the "chimney sweep
function" is at maximum output in domes-
tic hot water mode" (Fig. 9.24).
- 76 -
MAINTENANCE
Fig. 9.24
• Press keys 12 - 15 - 16 (Fig. 9.19) at the
same time again to exit the "chimney
sweep mode" and return to the previously
set boiler status (Fig. 9.25).
Fig. 9.25
Winter